/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.micode.notes.ui;

import static net.micode.notes.ui.ChatGpt.completion;
import static net.micode.notes.ui.ChatGpt.task;

import android.app.Activity;
import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.app.SearchManager;
import android.appwidget.AppWidgetManager;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.Paint;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.MediaStore;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.text.style.BackgroundColorSpan;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.AutoCompleteTextView;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import jp.wasabeef.richeditor.RichEditor;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.TextNote;
import net.micode.notes.model.WorkingNote;
import net.micode.notes.model.WorkingNote.NoteSettingChangedListener;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.tool.ResourceParser.TextAppearanceResources;
import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
import net.micode.notes.widget.NoteWidgetProvider_2x;
import net.micode.notes.widget.NoteWidgetProvider_4x;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class NoteEditActivity extends Activity implements OnClickListener,
        NoteSettingChangedListener, OnTextViewChangeListener {
    private class HeadViewHolder {
        public TextView tvModified;

        public ImageView ivAlertIcon;

        public TextView tvAlertDate;

        public ImageView ibSetBgColor;
    }

    private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
    static {
        sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
        sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED);
        sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE);
        sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN);
        sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
    }

    private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
    static {
        sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
        sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select);
        sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select);
        sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select);
        sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
    }

    private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
    static {
        sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
        sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL);
        sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM);
        sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
    }

    private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
    static {
        sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select);
        sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select);
        sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select);
    }

    private static final String TAG = "NoteEditActivity";

    private HeadViewHolder mNoteHeaderHolder;

    private View mHeadViewPanel;

    private View mNoteBgColorSelector;

    private View mFontSizeSelector;

    //private RichEditor mNoteEditor;
    private  testRicheditor mNoteEditor;

    private View mNoteEditorPanel;

    private WorkingNote mWorkingNote;

    private SharedPreferences mSharedPrefs;
    private int mFontSizeId;

    private static final String PREFERENCE_FONT_SIZE = "pref_font_size";

    private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;

    public static final String TAG_CHECKED = String.valueOf('\u221A');
    public static final String TAG_UNCHECKED = String.valueOf('\u25A1');

    private LinearLayout mEditTextList;

    private String mUserQuery;
    private Pattern mPattern;

    private final int PHOTO_REQUEST = 1;//请求码
    private String mText;
    private int currentFontSizeIndex;
    private int[] fontSizes = {R.dimen.text_font_size_small, R.dimen.text_font_size_normal, R.dimen.text_font_size_medium, R.dimen.text_font_size_large, R.dimen.text_font_size_super};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.setContentView(R.layout.note_edit);

        if (savedInstanceState == null && !initActivityState(getIntent())) {
            finish();
            return;
        }
        initResources();


//        //根据id获取添加图片按钮
//        final ImageButton add_img_btn = (ImageButton) findViewById(R.id.add_img_btn);
//        //为点击图片按钮设置监听器
//        add_img_btn.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View view) {
//                Log.d(TAG, "onClick: click add image button");
//                //ACTION_GET_CONTENT: 允许用户选择特殊种类的数据，并返回（特殊种类的数据：照一张相片或录一段音）
//                Intent loadImage = new Intent(Intent.ACTION_GET_CONTENT);
//                //Category属性用于指定当前动作（Action）被执行的环境.
//                //CATEGORY_OPENABLE; 用来指示一个ACTION_GET_CONTENT的intent
//                loadImage.addCategory(Intent.CATEGORY_OPENABLE);
//                loadImage.setType("image/*");
//                startActivityForResult(loadImage, PHOTO_REQUEST);
//            }
//        });
    }


    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);
        if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) {
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID));
            if (!initActivityState(intent)) {
                finish();
                return;
            }
            Log.d(TAG, "Restoring from killed activity");
        }
    }

    private boolean initActivityState(Intent intent) {
        /**
         * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
         * then jump to the NotesListActivity
         */
        mWorkingNote = null;
        if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
            long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
            mUserQuery = "";

            /**
             * Starting from the searched result
             */
            if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
                noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
                mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
            }

            if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) {
                Intent jump = new Intent(this, NotesListActivity.class);
                startActivity(jump);
                showToast(R.string.error_note_not_exist);
                finish();
                return false;
            } else {
                mWorkingNote = WorkingNote.load(this, noteId);
                if (mWorkingNote == null) {
                    Log.e(TAG, "load note failed with note id" + noteId);
                    finish();
                    return false;
                }
            }
            getWindow().setSoftInputMode(
                    WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
                            | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
        } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
            // New note
            long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
            int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
                    AppWidgetManager.INVALID_APPWIDGET_ID);
            int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE,
                    Notes.TYPE_WIDGET_INVALIDE);
            int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
                    ResourceParser.getDefaultBgId(this));

            // Parse call-record note
            String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
            long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
            if (callDate != 0 && phoneNumber != null) {
                if (TextUtils.isEmpty(phoneNumber)) {
                    Log.w(TAG, "The call record number is null");
                }
                long noteId = 0;
                if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(),
                        phoneNumber, callDate)) > 0) {
                    mWorkingNote = WorkingNote.load(this, noteId);
                    if (mWorkingNote == null) {
                        Log.e(TAG, "load call note failed with note id" + noteId);
                        finish();
                        return false;
                    }
                } else {
                    mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId,
                            widgetType, bgResId);
                    mWorkingNote.convertToCallNote(phoneNumber, callDate);
                }
            } else {
                mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType,
                        bgResId);
            }

            getWindow().setSoftInputMode(
                    WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
                            | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
        } else {
            Log.e(TAG, "Intent not specified action, should not support");
            finish();
            return false;
        }
        mWorkingNote.setOnSettingStatusChangedListener(this);
        return true;
    }

    @Override
    protected void onResume() {//能获得用户焦点：可以操作
        super.onResume();
        //initNoteScreen();//初始化便签屏幕
        initRichEditor();
    }
    private int getScreenWidth() {
        DisplayMetrics displayMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
        return displayMetrics.widthPixels;
    }
    private void updateFontSize() {
        int fontSize = getResources().getDimensionPixelSize(fontSizes[currentFontSizeIndex]);
        mNoteEditor.setEditorFontSize(fontSize);
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data)
    {
        super.onActivityResult(requestCode, resultCode, data);
            Log.d("NoteEditActivity", "Image selected: Uri=" + data.getData());
            Uri selectedImageUri = data.getData();
            String imagePath = getPathFromUri(this, selectedImageUri);
            int screenWidth = getScreenWidth();
            int imageWidth = (int) (screenWidth * 0.1);

            // Insert the image with calculated width
            //mNoteEditor.insertImage(imagePath, "", imageWidth);

            //直接在mWorkingNote.mContent中插入图片
            mWorkingNote.mContent = mWorkingNote.mContent + "<img src=\"" + imagePath + "\" alt=\"\" width=\""+imageWidth+"\"/>";
            //saveNote();
            mNoteEditor.setHtml(mWorkingNote.mContent);
            Log.d(TAG, "onActivityResult: " + mWorkingNote.mContent);
    }

    // 从 Uri 获取文件路径
    private String getPathFromUri(Context context, Uri contentUri) {
        Cursor cursor = null;
        try {
            String[] proj = { MediaStore.Images.Media.DATA };
            cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
            if (cursor != null && cursor.moveToFirst()) {
                int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
                return cursor.getString(column_index);
            }
        } catch (Exception e) {
            Log.e("getPathFromUri", "Error getting file path", e);
            return null;
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
        return null;
    }

    public int countTextCharacters(String htmlContent) {
        if (htmlContent == null || htmlContent.isEmpty()) {
            return 0;
        }

        // Remove HTML tags and decode HTML entities
        String textOnly = htmlContent.replaceAll("<[^>]*>", "").replaceAll("&[a-zA-Z0-9#]+;", " ");

        // Count characters
        return textOnly.length();
    }

    private boolean default_cloor=false;
    public void initRichEditor()
    {
        currentFontSizeIndex = 0;
        updateFontSize();
        mNoteEditor.setEditorHeight(500);//设置编辑器界面高度
        mNoteEditor.setEditorFontColor(Color.BLACK);//字体颜色
        mNoteEditor.setPlaceholder("点击输入内容");//设置默认显示语句
        mNoteEditor.setInputEnabled(true);//设置编辑器是否可用
        mNoteEditor.setEditorWidth(LinearLayout.LayoutParams.MATCH_PARENT);//设置编辑器宽度

        if (mWorkingNote != null) {
            // 加载背景
            int bgResId = mWorkingNote.getBgColorResId();
            mNoteEditor.setBackgroundResource(bgResId);
            mNoteEditorPanel.setBackgroundResource(bgResId);
            mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
            // 加载并设置笔记内容
            Log.d(TAG,"加载时webView的内容:"+mNoteEditor.getHtml());
            Log.d(TAG, "加载时的内容: " + mWorkingNote.getContent());
            String noteContent = mWorkingNote.getContent();
            mNoteEditor.setHtml(noteContent);
            int mNoteLength;
            if(noteContent != null)
            {
                mNoteLength = countTextCharacters(noteContent);
            } else
            {
                mNoteLength = 0;
            }

            mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(NoteEditActivity.this,
                    mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
                            | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
                            | DateUtils.FORMAT_SHOW_YEAR) + "\n字符数：" + mNoteLength);
        }
        else {
            mNoteEditor.setBackgroundResource(R.drawable.edit_white); // 默认背景
        }
        showAlertHeader();

        //添加图片
        findViewById(R.id.add_img_btn).setOnClickListener(v -> {
            Intent loadImage = new Intent(Intent.ACTION_GET_CONTENT);
            loadImage.addCategory(Intent.CATEGORY_OPENABLE);
            loadImage.setType("image/*");
            startActivityForResult(loadImage, PHOTO_REQUEST);
        });

        // 设置加粗功能
        findViewById(R.id.action_bold).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mNoteEditor.setBold();
            }
        });

        // 设置斜体功能
        findViewById(R.id.action_italic).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mNoteEditor.setItalic();
            }
        });

        // 设置下划线功能
        findViewById(R.id.action_underline).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mNoteEditor.setUnderline();
            }
        });
        // 字体放大功能
        findViewById(R.id.action_font_increase).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (currentFontSizeIndex < fontSizes.length - 1) {
                    currentFontSizeIndex++;
                    updateFontSize();
                }
            }
        });

        // 字体缩小功能
        findViewById(R.id.action_font_decrease).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (currentFontSizeIndex > 0) {
                    currentFontSizeIndex--;
                    updateFontSize();
                }
            }
        });


        // 设置字体背景颜色功能
        findViewById(R.id.action_font_backgroud_color).setOnClickListener(new View.OnClickListener() {
            final int[] chosenColor = new int[1]; // 用于存储用户选择的颜色

            AtomicInteger color_num= new AtomicInteger(0);
            @Override
            public void onClick(View v) {
                mNoteEditor.focusEditor();

                new AlertDialog.Builder(NoteEditActivity.this)
                        .setTitle("选择字体背景颜色")
                        .setSingleChoiceItems(R.array.action_font_color, color_num.get(), (dialog, which) -> {
                            color_num.set(which);
                            switch (which) {
                                case 0: chosenColor[0] = -1; default_cloor=true; Log.d(TAG,"选择默认颜色"); break;
                                case 1: chosenColor[0] = Color.BLACK; break;
                                case 2: chosenColor[0] = Color.RED;break;
                                case 3: chosenColor[0] = Color.YELLOW; break;
                                case 4: chosenColor[0] = Color.BLUE; break;
                                case 5: chosenColor[0] = Color.GREEN; break;
                                case 6: chosenColor[0] = Color.WHITE; break;
                            }
                        })
                        .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                Log.d(TAG, "设置颜色为: " + chosenColor[0]);
                                if(default_cloor)
                                {
                                    /*
                                    mNoteEditor.clearTextBackgroundColor();
                                    Log.d(TAG,"设置默认颜色");
                                    default_cloor=false;
                                    return;
                                    */
                                    chosenColor[0]=-1;
                                    default_cloor=false;
                                }
                                mNoteEditor.setTextBackgroundColor(chosenColor[0]);

                            }
                        })
                        .setNegativeButton("取消", null)
                        .show();
            }
        });

        //字体颜色功能
        findViewById(R.id.action_font_color).setOnClickListener(new View.OnClickListener() {
            final int[] chosenColor = new int[1]; // 用于存储用户选择的颜色
            AtomicInteger color_num = new AtomicInteger(1);

            @Override
            public void onClick(View v) {
                mNoteEditor.focusEditor();

                new AlertDialog.Builder(NoteEditActivity.this)
                        .setTitle("选择字体颜色")
                        .setSingleChoiceItems(R.array.action_font_color, color_num.get(), (dialog, which) -> {
                            color_num.set(which);
                            switch (which) {
                                case 0: chosenColor[0] = Color.BLACK; break;
                                case 1: chosenColor[0] = Color.BLACK; break;
                                case 2: chosenColor[0] = Color.RED;break;
                                case 3: chosenColor[0] = Color.YELLOW; break;
                                case 4: chosenColor[0] = Color.BLUE; break;
                                case 5: chosenColor[0] = Color.GREEN; break;
                                case 6: chosenColor[0] = Color.WHITE; break;
                            }
                        })
                        .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                mNoteEditor.setTextColor(chosenColor[0]);
                            }
                        })
                        .setNegativeButton("取消", null)
                        .show();
            }
        });
    }


    private void showAlertHeader() {
        if (mWorkingNote.hasClockAlert()) {
            long time = System.currentTimeMillis();
            if (time > mWorkingNote.getAlertDate()) {
                mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired);
            } else {
                mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString(
                        mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS));
            }
            mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE);
            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE);
        } else {
            mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE);
            mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE);
        };
    }

    //路径字符串格式 转换为 图片image格式


    @Override
    protected void onNewIntent(Intent intent) {
        super.onNewIntent(intent);
        initActivityState(intent);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        /**
         * For new note without note id, we should firstly save it to
         * generate a id. If the editing note is not worth saving, there
         * is no id which is equivalent to create new note
         */
        if (!mWorkingNote.existInDatabase()) {
            saveNote();
        }
        outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
        Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
                && !inRangeOfView(mNoteBgColorSelector, ev)) {
            mNoteBgColorSelector.setVisibility(View.GONE);
            return true;
        }

        if (mFontSizeSelector.getVisibility() == View.VISIBLE
                && !inRangeOfView(mFontSizeSelector, ev)) {
            mFontSizeSelector.setVisibility(View.GONE);
            return true;
        }
        return super.dispatchTouchEvent(ev);
    }

    private boolean inRangeOfView(View view, MotionEvent ev) {
        int []location = new int[2];
        view.getLocationOnScreen(location);
        int x = location[0];
        int y = location[1];
        if (ev.getX() < x
                || ev.getX() > (x + view.getWidth())
                || ev.getY() < y
                || ev.getY() > (y + view.getHeight())) {
            return false;
        }
        return true;
    }

    private void initResources() {
        mHeadViewPanel = findViewById(R.id.note_title);
        mNoteHeaderHolder = new HeadViewHolder();
        mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date);
        mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon);
        mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date);
        mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color);
        mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this);

        // 设置富文本编辑器及监听器
        //mNoteEditor = (RichEditor) findViewById(R.id.note_edit_view);
        mNoteEditor = (testRicheditor) findViewById(R.id.note_edit_view);
        mNoteEditor.setOnTextChangeListener(new RichEditor.OnTextChangeListener() {
            @Override
            public void onTextChange(String text) {
                mText = text;
                int mNoteLength = countTextCharacters(mText);
                mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(NoteEditActivity.this,
                        mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE
                                | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
                                | DateUtils.FORMAT_SHOW_YEAR)+"\n字符数："+mNoteLength);
            }
        });


        mNoteEditorPanel = findViewById(R.id.sv_note_edit);
        mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
        for (int id : sBgSelectorBtnsMap.keySet()) {
            ImageView iv = (ImageView) findViewById(id);
            iv.setOnClickListener(this);
        }

        mFontSizeSelector = findViewById(R.id.font_size_selector);
        for (int id : sFontSizeBtnsMap.keySet()) {
            View view = findViewById(id);
            view.setOnClickListener(this);
        }
        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
        mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);

        // HACKME: Fix bug of store the resource id in shared preference.
        if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
            mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
        }
        mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list);
    }

    @Override
    protected void onPause() {
        super.onPause();
        if(saveNote()) {
            Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
        }
        clearSettingState();
    }

    private void updateWidget() {
        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
        if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
            intent.setClass(this, NoteWidgetProvider_2x.class);
        } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
            intent.setClass(this, NoteWidgetProvider_4x.class);
        } else {
            Log.e(TAG, "Unspported widget type");
            return;
        }

        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
                mWorkingNote.getWidgetId()
        });

        sendBroadcast(intent);
        setResult(RESULT_OK, intent);
    }

    public void onClick(View v) {
        int id = v.getId();
        if (id == R.id.btn_set_bg_color) {
            mNoteBgColorSelector.setVisibility(View.VISIBLE);
            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(View.VISIBLE);
        } else if (sBgSelectorBtnsMap.containsKey(id)) {
            findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
                    View.GONE);
            mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id));
            mNoteBgColorSelector.setVisibility(View.GONE);
        } else if (sFontSizeBtnsMap.containsKey(id)) {
            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE);
            mFontSizeId = sFontSizeBtnsMap.get(id);
            mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit();
            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
            if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
                getWorkingText();
                switchToListMode(mWorkingNote.getContent());
            } else {
                mNoteEditor.setEditorFontSize(mFontSizeId);
            }
            mFontSizeSelector.setVisibility(View.GONE);
        }
        mNoteEditor.setBackgroundResource(mWorkingNote.getBgColorResId());
    }


    @Override
    public void onBackPressed() {
        if(clearSettingState()) {
            return;
        }

        saveNote();
        Log.d(TAG, "标记1");
        super.onBackPressed();
    }

    private boolean clearSettingState() {
        if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
            mNoteBgColorSelector.setVisibility(View.GONE);
            return true;
        } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
            mFontSizeSelector.setVisibility(View.GONE);
            return true;
        }
        return false;
    }

    public void onBackgroundColorChanged() {
        findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
                View.VISIBLE);
        mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
        mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        if (isFinishing()) {
            return true;
        }
        clearSettingState();
        menu.clear();
        if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
            getMenuInflater().inflate(R.menu.call_note_edit, menu);
        } else {
            getMenuInflater().inflate(R.menu.note_edit, menu);
        }
        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
        } else {
            menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
        }
        if (mWorkingNote.hasClockAlert()) {
            menu.findItem(R.id.menu_alert).setVisible(false);
        } else {
            menu.findItem(R.id.menu_delete_remind).setVisible(false);
        }
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int itemId = item.getItemId();
        if (itemId == R.id.menu_new_note) {
            createNewNote();
        } else if (itemId == R.id.menu_delete) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle(getString(R.string.alert_title_delete));
            builder.setIcon(android.R.drawable.ic_dialog_alert);
            builder.setMessage(getString(R.string.alert_message_delete_note));
            builder.setPositiveButton(android.R.string.ok,
                    new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                            deleteCurrentNote();
                            finish();
                        }
                    });
            builder.setNegativeButton(android.R.string.cancel, null);
            builder.show();
        } else if (itemId == R.id.menu_font_size) {
            mFontSizeSelector.setVisibility(View.VISIBLE);
            findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
        } else if (itemId == R.id.menu_list_mode) {
            mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
                    TextNote.MODE_CHECK_LIST : 0);
        } else if (itemId == R.id.menu_share) {
            getWorkingText();
            sendTo(this, mWorkingNote.getContent());
        } else if (itemId == R.id.menu_send_to_desktop) {
            sendToDesktop();
        } else if (itemId == R.id.menu_alert) {
            setReminder();
        } else if (itemId == R.id.menu_delete_remind) {
            mWorkingNote.setAlertDate(0, false);
        } else if (itemId == R.id.menu_gpt) {
            askGPT();
        }
        return true;
    }
    private void showAlertWithMessage(String message) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setMessage(message); // 使用传入的字符串设置消息内容

        builder.setPositiveButton("OK", null); // 添加一个确认按钮

        // 创建并显示AlertDialog
        AlertDialog dialog = builder.create();

        dialog.show();


    }

    private void askGPT() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        final AutoCompleteTextView input = new AutoCompleteTextView(this);
        builder.setView(input);
        builder.setMessage("你想问什么？");
        builder.setPositiveButton("Ask gpt", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                String query = input.getText().toString();
                String message = mWorkingNote.mContent;
                String result=task(query,message);
                showAlertWithMessage(result);
                // todo 在这里处理询问gpt的逻辑，使用变量query中的值
            }
        });
        builder.setNegativeButton("Expand", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                String message = mWorkingNote.mContent;
                String result = completion(message);
                showAlertWithMessage(result);
                // todo 在这里处理点击“Cancel”按钮的逻辑
            }
        });
        AlertDialog dialog = builder.create();
        dialog.show();
    }


    private void setReminder() {
        DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
        d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
            public void OnDateTimeSet(AlertDialog dialog, long date) {
                mWorkingNote.setAlertDate(date	, true);
            }
        });
        d.show();
    }

    private void sendTo(Context context, String info) {
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.putExtra(Intent.EXTRA_TEXT, info);
        intent.setType("text/plain");
        context.startActivity(intent);
    }

    private void createNewNote() {
        // Firstly, save current editing notes
        saveNote();
        Log.d(TAG, "标记2");

        // For safety, start a new NoteEditActivity
        finish();
        Intent intent = new Intent(this, NoteEditActivity.class);
        intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
        intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
        startActivity(intent);
    }

    private void deleteCurrentNote() {
        if (mWorkingNote.existInDatabase()) {
            HashSet<Long> ids = new HashSet<Long>();
            long id = mWorkingNote.getNoteId();
            if (id != Notes.ID_ROOT_FOLDER) {
                ids.add(id);
            } else {
                Log.d(TAG, "Wrong note id, should not happen");
            }
            if (!isSyncMode()) {
                if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
                    Log.e(TAG, "Delete Note error");
                }
            } else {
                if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
                    Log.e(TAG, "Move notes to trash folder error, should not happens");
                }
            }
        }
        mWorkingNote.markDeleted(true);
    }

    private boolean isSyncMode() {
        return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
    }

    public void onClockAlertChanged(long date, boolean set) {
        /**
         * User could set clock to an unsaved note, so before setting the
         * alert clock, we should save the note first
         */
        if (!mWorkingNote.existInDatabase()) {
            saveNote();
            Log.d(TAG, "标记3");
        }
        if (mWorkingNote.getNoteId() > 0) {
            Intent intent = new Intent(this, AlarmReceiver.class);
            intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
            AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
            showAlertHeader();
            if(!set) {
                alarmManager.cancel(pendingIntent);
            } else {
                alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
            }
        } else {
            /**
             * There is the condition that user has input nothing (the note is
             * not worthy saving), we have no note id, remind the user that he
             * should input something
             */
            Log.e(TAG, "Clock alert setting error");
            showToast(R.string.error_note_empty_for_clock);
        }
    }

    public void onWidgetChanged() {
        updateWidget();
    }

    public void onEditTextDelete(int index, String text) {
        int childCount = mEditTextList.getChildCount();
        if (childCount == 1) {
            return;
        }

        for (int i = index + 1; i < childCount; i++) {
            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
                    .setIndex(i - 1);
        }

        mEditTextList.removeViewAt(index);
        NoteEditText edit = null;
        if(index == 0) {
            edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
                    R.id.et_edit_text);
        } else {
            edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
                    R.id.et_edit_text);
        }
        int length = edit.length();
        edit.append(text);
        edit.requestFocus();
        edit.setSelection(length);
    }

    public void onEditTextEnter(int index, String text) {
        /**
         * Should not happen, check for debug
         */
        if(index > mEditTextList.getChildCount()) {
            Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
        }

        View view = getListItem(text, index);
        mEditTextList.addView(view, index);
        NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
        edit.requestFocus();
        edit.setSelection(0);
        for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
            ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
                    .setIndex(i);
        }
    }

    private void switchToListMode(String text) {
        mEditTextList.removeAllViews();
        String[] items = text.split("\n");
        int index = 0;
        for (String item : items) {
            if(!TextUtils.isEmpty(item)) {
                mEditTextList.addView(getListItem(item, index));
                index++;
            }
        }
        mEditTextList.addView(getListItem("", index));
        mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();

        mNoteEditor.setVisibility(View.GONE);
        mEditTextList.setVisibility(View.VISIBLE);
    }

    private Spannable getHighlightQueryResult(String fullText, String userQuery) {
        SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
        if (!TextUtils.isEmpty(userQuery)) {
            mPattern = Pattern.compile(userQuery);
            Matcher m = mPattern.matcher(fullText);
            int start = 0;
            while (m.find(start)) {
                spannable.setSpan(
                        new BackgroundColorSpan(this.getResources().getColor(
                                R.color.user_query_highlight)), m.start(), m.end(),
                        Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
                start = m.end();
            }
        }
        return spannable;
    }

    private View getListItem(String item, int index) {
        View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
        final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
        edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
        CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
        cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if (isChecked) {
                    edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
                } else {
                    edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
                }
            }
        });

        if (item.startsWith(TAG_CHECKED)) {
            cb.setChecked(true);
            edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
            item = item.substring(TAG_CHECKED.length(), item.length()).trim();
        } else if (item.startsWith(TAG_UNCHECKED)) {
            cb.setChecked(false);
            edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
            item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
        }

        edit.setOnTextViewChangeListener(this);
        edit.setIndex(index);
        edit.setText(getHighlightQueryResult(item, mUserQuery));
        return view;
    }

    public void onTextChange(int index, boolean hasText) {
        if (index >= mEditTextList.getChildCount()) {
            Log.e(TAG, "Wrong index, should not happen");
            return;
        }
        if(hasText) {
            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
        } else {
            mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
        }
    }

    public void onCheckListModeChanged(int oldMode, int newMode) {
        if (newMode == TextNote.MODE_CHECK_LIST) {
            switchToListMode(mNoteEditor.getHtml());
        } else {
            if (!getWorkingText()) {
                mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", ""));
            }
            mNoteEditor.setHtml(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery).toString());
            mEditTextList.setVisibility(View.GONE);
            mNoteEditor.setVisibility(View.VISIBLE);
        }
    }

    private boolean getWorkingText() {
        boolean hasChecked = false;
        if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < mEditTextList.getChildCount(); i++) {
                View view = mEditTextList.getChildAt(i);
                NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
                if (!TextUtils.isEmpty(edit.getText())) {
                    if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
                        sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
                        hasChecked = true;
                    } else {
                        sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
                    }
                }
            }
            mWorkingNote.setWorkingText(sb.toString());
        } else {
            mWorkingNote.setWorkingText(mNoteEditor.getHtml());
        }
        return hasChecked;
    }

    private boolean saveNote() {
        Log.d(TAG, "saveNote");
        getWorkingText();
        boolean saved = mWorkingNote.saveNote();
        if (saved) {
            /**
             * There are two modes from List view to edit view, open one note,
             * create/edit a node. Opening node requires to the original
             * position in the list when back from edit view, while creating a
             * new node requires to the top of the list. This code
             * {@link #RESULT_OK} is used to identify the create/edit state
             */
            setResult(RESULT_OK);
        }
        return saved;
    }

    private void sendToDesktop() {
        /**
         * Before send message to home, we should make sure that current
         * editing note is exists in databases. So, for new note, firstly
         * save it
         */
        if (!mWorkingNote.existInDatabase()) {
            saveNote();
            Log.d(TAG, "标记4");
        }

        if (mWorkingNote.getNoteId() > 0) {
            Intent sender = new Intent();
            Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
            shortcutIntent.setAction(Intent.ACTION_VIEW);
            shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
            sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
            sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
                    makeShortcutIconTitle(mWorkingNote.getContent()));
            sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
                    Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
            sender.putExtra("duplicate", true);
            sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
            showToast(R.string.info_note_enter_desktop);
            sendBroadcast(sender);
        } else {
            /**
             * There is the condition that user has input nothing (the note is
             * not worthy saving), we have no note id, remind the user that he
             * should input something
             */
            Log.e(TAG, "Send to desktop error");
            showToast(R.string.error_note_empty_for_send_to_desktop);
        }
    }

    private String makeShortcutIconTitle(String content) {
        content = content.replace(TAG_CHECKED, "");
        content = content.replace(TAG_UNCHECKED, "");
        return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
                SHORTCUT_ICON_TITLE_MAX_LEN) : content;
    }

    private void showToast(int resId) {
        showToast(resId, Toast.LENGTH_SHORT);
    }

    private void showToast(int resId, int duration) {
        Toast.makeText(this, resId, duration).show();
    }

    private String xorEncryptDecrypt(String input, String key) {
        if(input==null || key==null)
            return input;
        StringBuilder output = new StringBuilder();
        for (int i = 0; i < input.length(); i++) {
            output.append((char) (input.charAt(i) ^ key.charAt(i % key.length())));
        }
        return output.toString();
    }

    private static String temp_for_photo;




    // 辅助方法：将 URI 转换为文件路径


    @Override
    protected void onStop(){
        super.onStop();
        //6.把改动提交到数据库中,两个数据库表都要改的
        //先异或加密再保存
        //Log.d(TAG, "onStop: mWorkingNote.mContent是"+mWorkingNote.mContent);
        //Log.d(TAG, "onStop: temp_for_photo是"+temp_for_photo);
        temp_for_photo= mWorkingNote.mContent;
        String to_insert_data_base = xorEncryptDecrypt(temp_for_photo,NotesListActivity.password_user);

        //Log.d(TAG, "onStop: to_insert_data_base是"+to_insert_data_base);
        ContentResolver contentResolver = getContentResolver();
        ContentValues contentValues = new ContentValues();
        final long id = mWorkingNote.getNoteId();
        //Log.d(TAG, "mWorkingNote.mContent是"+mWorkingNote.mContent);
        contentValues.put("snippet",to_insert_data_base);
        contentResolver.update(Uri.parse("content://micode_notes/note"), contentValues,"_id=?",new String[]{""+id});
        ContentValues contentValues1 = new ContentValues();
        contentValues1.put("content",to_insert_data_base);
        contentResolver.update(Uri.parse("content://micode_notes/data"), contentValues1,"mime_type=? and note_id=?", new String[]{"vnd.android.cursor.item/text_note",""+id});
    }

    //获取文件的real path



    //获取数据列_获取此 Uri 的数据列的值。这对MediaStore Uris 和其他基于文件的 ContentProvider。
    public String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {column};

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }


    //是否为外部存储文件
//    public boolean isExternalStorageDocument(Uri uri) {
//        return "com.android.externalstorage.documents".equals(uri.getAuthority());
//    }
//
//    //是否为下载文件
//    public boolean isDownloadsDocument(Uri uri) {
//        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
//    }

    //是否为媒体文件
    public boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }
}
